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Finding the Fourth Proportional to 2,682.59, 4,023.27 and 951.21

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Solution

The fourth proportional to 2,682.59, 4,023.27 and 951.21 is: 1,426.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.59 : 4,023.27 = 951.21 : x
  2. Step 2: Convert to fraction form
    2,682.59/4,023.27 = 951.21/x
  3. Step 3: Cross multiply
    2,682.59x = 4,023.27 × 951.21
  4. Step 4: Simplify right side
    2,682.59x = 3,826,974.66
  5. Step 5: Solve for x
    x = 3,826,974.66/2,682.59
  6. Step 6: Final answer
    x = 1,426.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.